tcp_usr_attach() doesn't need network epoch. in_pcbfree() and
in_pcbdetach() perform all necessary synchronization themselves.
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parent
6a2954a17d
commit
7669c586da
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=356978
@ -151,7 +151,6 @@ static void tcp_fill_info(struct tcpcb *, struct tcp_info *);
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static int
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tcp_usr_attach(struct socket *so, int proto, struct thread *td)
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{
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struct epoch_tracker et;
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struct inpcb *inp;
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struct tcpcb *tp = NULL;
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int error;
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@ -169,12 +168,9 @@ tcp_usr_attach(struct socket *so, int proto, struct thread *td)
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so->so_rcv.sb_flags |= SB_AUTOSIZE;
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so->so_snd.sb_flags |= SB_AUTOSIZE;
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NET_EPOCH_ENTER(et);
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error = in_pcballoc(so, &V_tcbinfo);
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if (error) {
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NET_EPOCH_EXIT(et);
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if (error)
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goto out;
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}
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inp = sotoinpcb(so);
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#ifdef INET6
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if (inp->inp_vflag & INP_IPV6PROTO) {
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@ -188,15 +184,13 @@ tcp_usr_attach(struct socket *so, int proto, struct thread *td)
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inp->inp_vflag |= INP_IPV4;
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tp = tcp_newtcpcb(inp);
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if (tp == NULL) {
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error = ENOBUFS;
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in_pcbdetach(inp);
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in_pcbfree(inp);
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NET_EPOCH_EXIT(et);
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error = ENOBUFS;
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goto out;
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}
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tp->t_state = TCPS_CLOSED;
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INP_WUNLOCK(inp);
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NET_EPOCH_EXIT(et);
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TCPSTATES_INC(TCPS_CLOSED);
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if ((so->so_options & SO_LINGER) && so->so_linger == 0)
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so->so_linger = TCP_LINGERTIME;
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